When the GSS asked in 2004, “About how many hours per week do you spend sending and answering e-mail?” the results were as shown in the TI – 83 + /84 screen shot. Explain how to interpret the information shown, and interpret the confidence interval at the 95% confidence level.
Answer to relevant QuestionsFor the question about e-mail in the previous exercise, suppose seven females in the GSS sample of age at least 80 had the responses 0, 0, 1, 2, 5, 7, 14, a. Using software or a calculator, find the sample mean and standard ...One question (called NATFAREY) on the General Social Survey for the year 2008 asks, “Are we spending too much, too little, or about the right amount on assistance to the poor?” Of the 998 people who responded in 2008, ...The researcher planning the study in South Africa also will estimate the population proportion having at least a high school education. No information is available about its value. How large a sample size is needed to ...A pharmaceutical company proposes a new drug treatment for alleviating symptoms of PMS (premenstrual syndrome). In the first stages of a clinical trial, it was successful for 7 out of 10 women. a. Construct an appropriate ...Refer to the previous exercise. The following printout shows results for the females in the sample, where X = the number answering yes. Explain how to interpret each item, in context.
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